<p><code>highlighting</code> - Configure which highlighter to use (and with which options) for each type of interaction.</p>

<h5>List of highlighting interactions</h5>
<ul>
    <li><b>default</b> - the default highlighter to use (and options) when none is specified</li>
    <li><b>connecting</b> - when a valid link connection can be made to an element</li>
    <li><b>embedding</b> - when a cell is dragged over another cell in embedding mode</li>
    <li><b>magnetAvailability</b> - when showing all magnets to which a valid connection can be made</li>
    <li><b>elementAvailability</b> - when showing all elements to which a valid connection can be made</li>
</ul>

<p>Example usage:</p>
<pre><code>new joint.dia.Paper({
    highlighting: {
        'default': {
            name: 'stroke',
            options: {
                padding: 3
            }
        },
        connecting: {
            name: 'addClass',
            options: {
                className: 'highlight-connecting'
            }
        }
    }
})</code></pre>
